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| Number | Title | Issue Date |
| 6897749 | Magnetic energy storage device A superconducting magnetic energy storage (SMES) device including a first coil made of superconducting material, a cooling mechanism for cooling the first coil to superconducting temperatures, a second coil inductively coupled to the first coil for inputting emergy ... | 05/24/2005 |
| 5804889 | Un-interruptible power supply apparatus for diffusion furnace A un-interruptible power supply (UPS) apparatus for a diffusion furnace used in semiconductor device fabrication. The diffusion furnace consists of a power electronic subsystem coupled to a three-phase utility power source via two series-connected normall... | 09/08/1998 |
| 5565763 | Thermoelectric method and apparatus for charging superconducting magnets A method and apparatus for charging superconducting magnet coils using the Seebeck effect of thermoelectric materials. Superconducting magnet coils are wound from a superconducting material, such as niobium-titanium, and placed in a cryogenic dewar to coo... | 10/15/1996 |
| 5194803 | Superconductive voltage stabilizer having improved current switch A superconductive voltage stabilizer employs an improved current switch. The improved current switch controls the release of current stored in an energy storage device or superconducting inductive energy storage coil for selective delivery of the current ... | 03/16/1993 |
| 5140290 | Device for inductive current limiting of an alternating current employing the superconductivity of a ceramic high-temperature superconductor A device for inductive current limiting of an alternating current consisting of an induction coil (2), which includes at least one winding and through which current flows, a body (3) made of a ceramic high-temperature superconductor arranged concentricall... | 08/18/1992 |
| 4962354 | Superconductive voltage stabilizer A superconductive voltage stabilizer comprises an AC/DC converter, a voltage regulator, an energy storage cell and a superconducting energy storage coil. Alternating current is converted to direct current and stored in a superconducting coil. The stored d... | 10/09/1990 |
| 4939444 | Dual coil super conducting apparatus for storing electrical energy Disclosed is an apparatus for storing electrical energy in a superconducting coil. The secondary phenomenon of magnetic induction which limits the size of existing superconducting energy storage coils is overcome by utilizing two superconductor material c... | 07/03/1990 |
| 4922367 | Circuit for preventing latch-up of parasitic thyristor formed in CMOS integrated circuit A CMOS circuit including a variable conductor means interposed between a power supply and the CMOS circuit. The CMOS circuit comprises a P channel MOS FET and an N channel MOS FET laterally formed on the surface of a semiconductor substrate, inherently pr... | 05/01/1990 |
| 4585965 | Radio electric wave generator for ultra-high frequencies A generator is provided based on an interaction of the cyclotronic type between an electron beam propagating between an electron gun and a collector and a high frequency electromagnetic field in a resonating structure. It is principally characterized in t... | 04/29/1986 |
| 4468568 | Generating power from the ocean utilizing the thermal properties of magnetic material A power generation system is taught utilizing a ferromagnetic material contained in a tape and rotatably disposed in a triangular configuration around a series of pulleys. The entire system is under water in the ocean so as to utilize the temperature diff... | 08/28/1984 |
| 4431960 | Current amplifying apparatus Disclosed is a reversible inductive energy transfer device for use where efficient transfer of energy between inductors is required. The apparatus is a current amplifying device which utilizes an induction coil comprising a plurality of series connected i... | 02/14/1984 |
| 4418325 | Support structure for transmitting large forces A support structure for transmitting large forces between a superconducting magnet winding which is cooled to a very low temperature and an abutment which is at a higher temperature level and takes up the forces, especially in an energy storage device, co... | 11/29/1983 |
| 4414461 | Laser pumped superconductive energy storage system A superconductive energy storage system comprising a magnetic field surrounding a superconducting coil having large currents circulating therein, cooling said coil to superconducting temperatures, starting said circulating current in said superconducting ... | 11/08/1983 |
| 4379275 | Device for transmitting large forces A device for transmitting large forces between a superconducting magnet winding cooled to a very low temperature and an abutment which takes up the forces and is at a higher temperature level, particularly of an energy storage device, includes support bod... | 04/05/1983 |
| 4348630 | Superconducting VAR control Static VAR control means employing an asymmetrically controlled Graetz bridge and a superconducting direct current coil having low losses and low cost characteristics.... | 09/07/1982 |
| 4082991 | Superconducting energy system A superconducting energy storage system comprising storage elements arrayed in a transmission line for receiving, storing, and reproducing charges in the form of current. The system stores charges in potential wells inside elements and moves the charges (... | 04/04/1978 |
